static bool rt2x00lib_antenna_diversity(struct rt2x00_dev *rt2x00dev)
{
struct link_ant *ant = &rt2x00dev->link.ant;
/*
* Determine if software diversity is enabled for
* either the TX or RX antenna (or both).
*/
if (!(ant->flags & ANTENNA_RX_DIVERSITY) &&
!(ant->flags & ANTENNA_TX_DIVERSITY)) {
ant->flags = 0;
return true;
}
/*
* If we have only sampled the data over the last period
* we should now harvest the data. Otherwise just evaluate
* the data. The latter should only be performed once
* every 2 seconds.
*/
if (ant->flags & ANTENNA_MODE_SAMPLE) {
rt2x00lib_antenna_diversity_sample(rt2x00dev);
return true;
} else if (rt2x00dev->link.count & 1) {
rt2x00lib_antenna_diversity_eval(rt2x00dev);
return true;
}
return false;
}
static bool rt2x00lib_antenna_diversity(struct rt2x00_dev *rt2x00dev)
{
struct link_ant *ant = &rt2x00dev->link.ant;
unsigned int flags = ant->flags;
/*
* Determine if software diversity is enabled for
* either the TX or RX antenna (or both).
* Always perform this check since within the link
* tuner interval the configuration might have changed.
*/
flags &= ~ANTENNA_RX_DIVERSITY;
flags &= ~ANTENNA_TX_DIVERSITY;
if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
flags |= ANTENNA_RX_DIVERSITY;
if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
flags |= ANTENNA_TX_DIVERSITY;
if (!(ant->flags & ANTENNA_RX_DIVERSITY) &&
!(ant->flags & ANTENNA_TX_DIVERSITY)) {
ant->flags = 0;
return true;
}
/* Update flags */
ant->flags = flags;
/*
* If we have only sampled the data over the last period
* we should now harvest the data. Otherwise just evaluate
* the data. The latter should only be performed once
* every 2 seconds.
*/
if (ant->flags & ANTENNA_MODE_SAMPLE) {
rt2x00lib_antenna_diversity_sample(rt2x00dev);
return true;
} else if (rt2x00dev->link.count & 1) {
rt2x00lib_antenna_diversity_eval(rt2x00dev);
return true;
}
return false;
}
